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AXT Inc. planned insider sales

In the last twelve months insiders at AXT Inc. filed 24 Form 144 notices of planned sales, 1.9 million shares worth $82.3 million at the time of filing, from 5 sellers. The latest, filed 17 August 2026: Leblanc Leonard J (director), 4,000 shares worth $371,720, planned for around 17 August 2026 through Purshe Kaplan Sterling.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
17 August 2026Leblanc Leonard JDirector4,000$371,72017 August 20264,000 shares from 17 August 2026Purshe Kaplan SterlingStock AwardForm 144
7 August 2026Leblanc Leonard JDirector2,000$175,0207 August 20262,000 shares from 7 August 2026Purshe Kaplan SterlingStock AwardForm 144
8 June 2026Chang David CDirector8,333$797,0518 June 20268,333 shares from 15 June 2026Charles Schwab CorpOpen Market Purchase; RSAForm 144
5 June 2026Leblanc Leonard JDirector500$55,4255 June 2026500 shares from 10 June 2026Purshe Kaplan SterlingStock AwardForm 144
2 June 2026Young Morris SOfficer111,795$12.7 million2 June 2026197,498 shares from 1 June 2026Needham and Company LLCPerformance Stock AwardForm 144
1 June 2026Young Morris SOfficer85,703$9.7 million1 June 2026No matching Form 4 saleNeedham and Company LLCCashless Option ExerciseForm 144
1 June 2026Chen JesseDirector109,526$11.6 million1 June 202660,005 shares from 1 June 2026Charles Schwab CorpEquity Compensation; Stock GrantForm 144
13 March 2026Young Morris SOfficer37,905$1.9 million13 March 202637,905 shares from 13 March 2026Needham and Company LLCPerformance Stock AwardForm 144
10 March 2026Young Morris SOfficer30,832$1.4 million10 March 2026156,725 shares from 9 March 2026Needham and Company LLCPerformance Stock AwardForm 144
9 March 2026Young Morris SOfficer125,893$4.6 million9 March 2026No matching Form 4 saleNeedham and Company LLCPerformance Stock AwardForm 144
6 March 2026Young Morris SOfficer8,300$329,0636 March 20268,300 shares from 6 March 2026Needham and Company LLCPerformance Stock AwardForm 144
3 March 2026Chang David CDirector60,000$2.8 million3 March 202660,000 shares from 4 March 2026Charles Schwab Corp.Restricted Stock GrantsForm 144
2 March 2026Chen JesseDirector100,000$4.5 million2 March 202699,812 shares from 2 March 2026Charles Schwab & CoEquity CompensationForm 144
2 March 2026Young Morris SOfficer159,536$6.9 million2 March 2026159,536 shares from 2 March 2026Needham and Company LLCPerformance Stock AwardForm 144
2 March 2026Gary FischerOfficer494,265$18.8 million2 March 2026494,265 shares from 2 March 2026Merrill LynchRestricted Stock Award; Stock Option ExerciseForm 144
8 December 2025Young Morris SOfficer37,160$462,9108 December 202537,160 shares from 8 December 2025Needham and Company LLCPerformance Stock AwardForm 144
4 December 2025Young Morris SOfficer35,000$421,6524 December 202535,000 shares from 4 December 2025Needham and Company LLCPerformance Stock AwardForm 144
25 November 2025Chang David CDirector100,000$934,00025 November 202575,000 shares from 28 November 2025Charles Schwab CorpVested Restricted Stock GrantsForm 144
17 November 2025Young Morris SOfficer33,130$344,39017 November 202533,130 shares from 17 November 2025Needham and Company LLCPerformance Stock AwardForm 144
12 November 2025Gary FischerOfficer101,297$1.1 million12 November 2025101,297 shares from 13 November 2025Merrill LynchRestricted Stock AwardForm 144
7 November 2025Leblanc Leonard JDirector3,637$32,2607 November 20253,637 shares from 7 November 2025PKSStock AwardForm 144
5 November 2025Chang David CDirector100,000$906,0005 November 2025100,000 shares from 5 November 2025Charles Schwab Corp1000; Open Market Purchase; Stock GrantsForm 144
4 November 2025Gary FischerOfficer102,910$871,6483 November 2025102,910 shares from 4 November 2025Merrill LynchRestricted Stock Award; Restrited Stock AwardForm 144
3 November 2025Young Morris SOfficer80,000$691,8483 November 202580,000 shares from 3 November 2025Needham and Company LLCPerformance Stock AwardForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?